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Release 4.3.0 tarball

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Gary Scavone
2013-09-29 23:41:50 +02:00
committed by Stephen Sinclair
parent 554a74374b
commit 1a8403e203
462 changed files with 4751 additions and 3397 deletions
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doc/html/instruments.html
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@@ -6,14 +6,14 @@
<BODY BGCOLOR="#FFFFFF">
<CENTER>
<img src="princeton.gif"> &nbsp; <img src="ccrma.gif"> &nbsp; <img src="mcgill.gif"><P>
<a class="qindex" href="index.html">Home</a> &nbsp; <a class="qindex" href="information.html">Information</a> &nbsp; <a class="qindex" href="classes.html">Classes</a> &nbsp; <a class="qindex" href="download.html">Download</a> &nbsp; <a class="qindex" href="usage.html">Usage</a> &nbsp; <a class="qindex" href="maillist.html">Mail List</a> &nbsp; <a class="qindex" href="system.html">Requirements</a> &nbsp; <a class="qindex" href="links.html">Links</a> &nbsp; <a class="qindex" href="tutorial.html">Tutorial</a></CENTER>
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<!-- Generated by Doxygen 1.4.4 -->
<h1><a class="anchor" name="instruments">Instruments</a></h1>The ToolKit comes with a wide variety of synthesis algorithms, all of which inherit from the <a class="el" href="classInstrmnt.html">Instrmnt</a> class. In this example, we'll fire up an instance of the <a class="el" href="classBeeThree.html">BeeThree</a> <a class="el" href="classFM.html">FM</a> synthesis class and show how its frequency can be modified over time.<p>
<div class="fragment"><pre class="fragment"><span class="comment">// bethree.cpp STK tutorial program</span>
<span class="preprocessor">#include "BeeThree.h"</span>
<span class="preprocessor">#include "RtAudio.h"</span>
<span class="preprocessor">#include "<a class="code" href="RtAudio_8h.html">RtAudio.h</a>"</span>
<span class="comment">// The TickData structure holds all the class instances and data that</span>
<span class="comment">// are shared by the various processing functions.</span>
@@ -32,12 +32,13 @@
<span class="comment">// This tick() function handles sample computation only. It will be</span>
<span class="comment">// called automatically when the system needs a new buffer of audio</span>
<span class="comment">// samples.</span>
<span class="keywordtype">int</span> tick(<span class="keywordtype">char</span> *buffer, <span class="keywordtype">int</span> bufferSize, <span class="keywordtype">void</span> *dataPointer)
<span class="keywordtype">int</span> tick( <span class="keywordtype">void</span> *outputBuffer, <span class="keywordtype">void</span> *inputBuffer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nBufferFrames,
<span class="keywordtype">double</span> streamTime, <a class="code" href="RtAudio_8h.html#a11">RtAudioStreamStatus</a> status, <span class="keywordtype">void</span> *userData )
{
TickData *data = (TickData *) dataPointer;
<span class="keyword">register</span> StkFloat *samples = (StkFloat *) buffer;
TickData *data = (TickData *) userData;
<span class="keyword">register</span> StkFloat *samples = (StkFloat *) outputBuffer;
<span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0; i&lt;bufferSize; i++ ) {
<span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i&lt;nBufferFrames; i++ ) {
*samples++ = data-&gt;instrument-&gt;tick();
<span class="keywordflow">if</span> ( ++data-&gt;counter % 2000 == 0 ) {
data-&gt;scaler += 0.025;
@@ -58,15 +59,18 @@
<a class="code" href="classStk.html#e3">Stk::setRawwavePath</a>( <span class="stringliteral">"../../rawwaves/"</span> );
TickData data;
<a class="code" href="classRtAudio.html">RtAudio</a> *dac = 0;
<a class="code" href="classRtAudio.html">RtAudio</a> dac;
<span class="comment">// Figure out how many bytes in an StkFloat and setup the RtAudio object.</span>
RtAudioFormat format = ( <span class="keyword">sizeof</span>(StkFloat) == 8 ) ? RTAUDIO_FLOAT64 : RTAUDIO_FLOAT32;
<span class="keywordtype">int</span> bufferSize = RT_BUFFER_SIZE;
<span class="comment">// Figure out how many bytes in an StkFloat and setup the RtAudio stream.</span>
<a class="code" href="structRtAudio_1_1StreamParameters.html">RtAudio::StreamParameters</a> parameters;
parameters.<a class="code" href="structRtAudio_1_1StreamParameters.html#o0">deviceId</a> = dac.<a class="code" href="classRtAudio.html#a5">getDefaultOutputDevice</a>();
parameters.<a class="code" href="structRtAudio_1_1StreamParameters.html#o1">nChannels</a> = 1;
<a class="code" href="RtAudio_8h.html#a0">RtAudioFormat</a> format = ( <span class="keyword">sizeof</span>(StkFloat) == 8 ) ? RTAUDIO_FLOAT64 : RTAUDIO_FLOAT32;
<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufferFrames = RT_BUFFER_SIZE;
<span class="keywordflow">try</span> {
dac = <span class="keyword">new</span> <a class="code" href="classRtAudio.html">RtAudio</a>(0, 1, 0, 0, format, (<span class="keywordtype">int</span>)<a class="code" href="classStk.html#e0">Stk::sampleRate</a>(), &amp;bufferSize, 4);
dac.<a class="code" href="classRtAudio.html#a7">openStream</a>( &amp;parameters, NULL, format, (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)Stk::sampleRate(), &amp;bufferFrames, &amp;tick, (<span class="keywordtype">void</span> *)&amp;data );
}
<span class="keywordflow">catch</span> (<a class="code" href="classRtError.html">RtError</a>&amp; error) {
<span class="keywordflow">catch</span> ( <a class="code" href="classRtError.html">RtError</a>&amp; error ) {
error.<a class="code" href="classRtError.html#a2">printMessage</a>();
<span class="keywordflow">goto</span> cleanup;
}
@@ -75,7 +79,7 @@
<span class="comment">// Define and load the BeeThree instrument</span>
data.instrument = <span class="keyword">new</span> <a class="code" href="classBeeThree.html">BeeThree</a>();
}
<span class="keywordflow">catch</span> (<a class="code" href="classStkError.html">StkError</a> &amp;) {
<span class="keywordflow">catch</span> ( <a class="code" href="classStkError.html">StkError</a> &amp; ) {
<span class="keywordflow">goto</span> cleanup;
}
@@ -83,10 +87,9 @@
data.instrument-&gt;noteOn( data.frequency, 0.5 );
<span class="keywordflow">try</span> {
dac-&gt;<a class="code" href="classRtAudio.html#a6">setStreamCallback</a>(&amp;tick, (<span class="keywordtype">void</span> *)&amp;data);
dac-&gt;<a class="code" href="classRtAudio.html#a13">startStream</a>();
dac.<a class="code" href="classRtAudio.html#a9">startStream</a>();
}
<span class="keywordflow">catch</span> (<a class="code" href="classRtError.html">RtError</a> &amp;error) {
<span class="keywordflow">catch</span> ( <a class="code" href="classRtError.html">RtError</a> &amp;error ) {
error.<a class="code" href="classRtError.html#a2">printMessage</a>();
<span class="keywordflow">goto</span> cleanup;
}
@@ -97,16 +100,14 @@
<span class="comment">// Shut down the callback and output stream.</span>
<span class="keywordflow">try</span> {
dac-&gt;<a class="code" href="classRtAudio.html#a7">cancelStreamCallback</a>();
dac-&gt;<a class="code" href="classRtAudio.html#a12">closeStream</a>();
dac.<a class="code" href="classRtAudio.html#a8">closeStream</a>();
}
<span class="keywordflow">catch</span> (<a class="code" href="classRtError.html">RtError</a> &amp;error) {
<span class="keywordflow">catch</span> ( <a class="code" href="classRtError.html">RtError</a> &amp;error ) {
error.<a class="code" href="classRtError.html#a2">printMessage</a>();
}
cleanup:
<span class="keyword">delete</span> data.instrument;
<span class="keyword">delete</span> dac;
<span class="keywordflow">return</span> 0;
}
@@ -118,7 +119,7 @@ Instrument parameters can be precisely controlled as demonstrated above. A more
<table>
<tr><td><A HREF="http://ccrma.stanford.edu/software/stk/"><I>The Synthesis ToolKit in C++ (STK)</I></A></td></tr>
<tr><td>&copy;1995-2005 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
<tr><td>&copy;1995-2007 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
</table>
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